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Abstract

The relevance of the assumption of critical gradient length in electron heat transport is tested against the results of electron cyclotron heating (ECH) modulation experiments carried out on ASDEX Upgrade, using time-dependent transport simulations.

The findings are consistent with theoretical expectations, as well as with experimental observations made on TORE SUPRA. This global consistency shows the relevance of the main physical factors involved in the model, in particular the assumption of critical temperature gradient length. .

Additional information

Authors: IMBEAUX F, CEA Cadarache, Departement de Recherche sur la Fusion Controlie, Saint-Paul-lez-Durance (FR);GARBET X, CEA Cadarache, Departement de Recherche sur la Fusion Controlie, Saint-Paul-lez-Durance (FR);RYTER F, Max-Planck-Institut fur Plasmaphysik, Garching (DE)
Bibliographic Reference: An article published in: Plasma Physics and Controlled Fusion, Vol.43 (2001), pp.1503-1524
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